1342021402 has 16 divisors (see below), whose sum is σ = 2039087232. Its totient is φ = 662367600.

The previous prime is 1342021393. The next prime is 1342021451. The reversal of 1342021402 is 2041202431.

It is a self number, because there is not a number n which added to its sum of digits gives 1342021402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55027 + ... + 75577.

It is an arithmetic number, because the mean of its divisors is an integer number (127442952).

Almost surely, 2^1342021402 is an apocalyptic number.

1342021402 is a deficient number, since it is larger than the sum of its proper divisors (697065830).

1342021402 is a wasteful number, since it uses less digits than its factorization.

1342021402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20973.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1342021402 is about 36633.6102779947. The cubic root of 1342021402 is about 1103.0278567812.

Adding to 1342021402 its reverse (2041202431), we get a palindrome (3383223833).

The spelling of 1342021402 in words is "one billion, three hundred forty-two million, twenty-one thousand, four hundred two".